Logic Diagram (SN74)
02
2
3
1A
1B
1
4
QUADRUPLE 2-INPUT POSITIVE-NOR GATES
1Y
2Y
3Y
4Y
● Y = A + B
5
6
2A
2B
● 74AC11xxx: Product Available in Reduced-Noise
Advanced CMOS (11000 Series)
● 74ACT11xxx: Product Available in Reduced-Noise
Advanced CMOS (11000 Series)
8
9
3A
3B
10
13
11
12
4A
4B
ELECTRICAL CHARACTERISTICS AND RECOMMENDED OPERATING CONDITIONS
SN74 CD74 SN74 CD74
PARAMETER
MAX or MIN
TTL
LS
S
ALS
AS
F
UNIT
HC
HC
HCT
HCT
ICC
MAX
MAX
MAX
27
-0.4
16
5.4
-0.4
8
45
-1
20
4
-0.4
8
20.1
-2
13
-1
20
0.02
-4
0.04
-4
0.02
-4
0.04
-4
mA
mA
mA
IOH
IOL
20
4
4
4
4
AC
11
CD74
AC
ACT CD74
LV
3V
LV
5V
LVC
3V
AUC
1.8V
AUC
2.3V
PARAMETER
MAX or MIN
AHC AHCT
UNIT
11
ACT
ICC
IOH
IOL
MAX
MAX
MAX
0.04
-24
24
0.08
-24
24
0.04
-24
24
0.08
-24
24
0.02
-8
0.02
-8
-
-6
6
0.02
-12
12
0.01
-24
24
0.01
-8
0.01
-9
mA
mA
mA
8
8
8
9
SWITCHING CHARACTERISTICS
SN74 CD74 SN74 CD74
PARAMETER
INPUT
OUTPUT
MAX or MIN
TTL
LS
S
ALS
AS
F
HC
HC
HCT
HCT
tPLH
tPHL
A or B
A or B
Y
Y
MAX
MAX
22
15
15
15
5.5
5.5
12
10
4.5
4.5
6.5
5.3
23
23
27
27
25
25
32
32
AC
11
CD74
AC
ACT CD74
LV
3V
LV
5V
LVC
3V
PARAMETER
INPUT
OUTPUT
MAX or MIN
AHC AHCT
11
ACT
tPLH
tPHL
A or B
A or B
Y
Y
MAX
MAX
6.9
6.4
11.5
11.5
10.6
8.7
12.2
12.2
8.5
8.5
8.5
8.5
13
13
8.5
8.5
4.4
4.4
AUC
1.8V
AUC
2.3V
PARAMETER
INPUT
OUTPUT
MAX or MIN
tPLH
A or B
A or B
Y
Y
MAX
MAX
2.4
2.4
2
2
tPHL
UNIT: ns
233
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters. See www.ti.com/sc/logic for the most current data sheets.
TI [ TEXAS INSTRUMENTS ]
